Furuno FCR-2107 Operator's Manual page 271

6. Choose what alert type you desire. Click the Indication button to display visual alert, or Alarm/Warn button to
get the audible alert. The item chosen is moved from the Ignore box to the Indication or Alert Box as
appropriate.
7. To remove an alert, click it in the Indication or Alert Box with the left button then click the Ignore button. To
change an alert method, click it in the Indication or Alert Box with the left button then click the Indication or
Alert button as appropriate.
8. Click the Parameters tab with the left button.
9. Time and sector angle are explained in section 9.3 How to Activate Own Ship Check. Set them appropriately.
In the example at right above, a visual indication will be released when your vessel nears a User Chart Danger Area,
and an audio alarm will sound when your vessel goes into a Safety Contour or a Traffic Separation Zone.
9. Chart Alerts
9-3